It says it is only rated for 100 lbs. So if using it on a trail ride, if your tire weighs i.e. 40lbs...when the rear of the rig comes down off a bump or something, that 40lbs could easily turn into 100+ lbs cause of the downward motion.

Gun it and run it!
1981 CJ5,258,T-176,D300,AMC 20,Dana 30,Trxus M/T 31x10.50, Rancho 5000's, GroundPounderFab front bumper, polyethylene gas tank, aluminum dash, AutoMeter gauges

What this country needs is unemployed politicians.